Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NPD callsign genealogy
Currently held by VINER, ALVA V
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W4NPD's current licensee, walking backwards.
- O'Connor, Paul JFLgranted 2009-03-24cancelled 2009-05-27
Successor callsigns
Callsigns held now by people who previously held W4NPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NPD, oldest first.
- VINER, ALVA V FL1992-07-21 → cancelled 2004-07-22
- O'CONNOR, PAUL J FL2019-03-15 active